Petroleum Refinery Engineering Tetra-ethyl lead is added in gasoline to Increase its smoke point Reduce the pour point Increase its octane number Reduce gum formation Increase its smoke point Reduce the pour point Increase its octane number Reduce gum formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the additive property of a lube oil out of following. °API gravity Specific gravity Viscosity Flashpoint °API gravity Specific gravity Viscosity Flashpoint ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The solvent used in Barisol dewaxing process is Benzol and ethylene dichloride Methyl ethyl ketone (MEK) Hexane Furfural Benzol and ethylene dichloride Methyl ethyl ketone (MEK) Hexane Furfural ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the undesirable property for a solvent meant for dewaxing of lube oil. High solubility of wax in the solvent Neither A nor B Complete miscibility with oil Both A & B High solubility of wax in the solvent Neither A nor B Complete miscibility with oil Both A & B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Breathing loss on storage of gasoline occurs due to the Neither A nor B Fluctuation of ambient temperature during day and night Presence of unsaturated air Both A & B Neither A nor B Fluctuation of ambient temperature during day and night Presence of unsaturated air Both A & B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Most commonly used crude heater before the fractionation tower in a refinery is the __________ heater. Steam coil Electric immersion Pipestill None of these Steam coil Electric immersion Pipestill None of these ANSWER DOWNLOAD EXAMIANS APP